Finding the Fourth Proportional to 618,244.05, 852,339.09 and 528,563.37
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Solution
The fourth proportional to 618,244.05, 852,339.09 and 528,563.37 is: 728,701.27
Step by Step Solution
- Step 1: Write the proportion equation
618,244.05 : 852,339.09 = 528,563.37 : x - Step 2: Convert to fraction form
618,244.05/852,339.09 = 528,563.37/x - Step 3: Cross multiply
618,244.05x = 852,339.09 × 528,563.37 - Step 4: Simplify right side
618,244.05x = 450,515,221,793.13 - Step 5: Solve for x
x = 450,515,221,793.13/618,244.05 - Step 6: Final answer
x = 728,701.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.